Update dependency bootstrap to v4.5.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
bootstrap (source)	dependencies	patch	4.5.2 -> 4.5.3

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Release Notes

twbs/bootstrap

v4.5.3

Compare Source

CSS

• #​31653: Add a comment to our escape-svg function to note that data URIs must be quoted.
• #​31693: Use the custom-control shadow variable instead of the generic input-focus-box-shadow.
• #​31793: Backport some v5 changes (improved th styling in Reboot, custom form field styling when printing, and improvements to .text-break).
  • #​29714: Keep custom check, radio, and switch theme when printing.
  • #​30781: Reboot's th updates: Inherit font-weight: bold that comes from user agent stylesheets.
  • #​30932: .text-break changes to drop overflow-wrap and use word-wrap once again
  • #​31754: Improve versions page rendering (also reversed the order while I was here)
• #​31846: Backports the z-index change to .close buttons in dismissible .alerts.

JS

• #​31000: Avoid multiple change event trigger in buttons plugin. Not applicable to v5 since our button JS plugin has been mostly replaced with pure CSS.
• #​31673: Fix dropdown variable always evaluating to true.
• #​31696: Ensure hidePrevented.bs.modal can be prevented.
• #​31718: Backports new $dropdown-padding-x variable from v5.

Docs

• #​30811: Mention GPU acceleration fix in docs callout for popovers. Doesn't apply to v5 since we're updating to Popper v2.
• #​30838: Explain the dispose method more appropriately.
• #​31706: Backports updated margins for code snippets for improved readability.
• #​31769: Backports JS bundle guidance from v5.
• #​31851: Backports mention of missing to and nextwhenvisible methods.

Misc

• #​31297: Switch to xo ESLint config
• Updated devDependencies versions

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